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Contract OI history

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Dec 17, 2027 EXPIRATION

MRK $125.00 Call

MRK271217C00125000

Latest saved OI285Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MRK $125.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3021510 2026-10-02: 302 OI2026-10-05: 302 OI2026-10-06: 302 OI2026-10-07: 302 OI2026-10-08: 302 OI2026-10-09: 299 OI2026-10-13: 299 OI2026-10-14: 299 OI2026-10-15: 299 OI2026-10-16: 299 OI2026-10-21: 285 OI2026-10-23: 285 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MRK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2850
Oct 21, 2026285-14
Oct 16, 20262990
Oct 15, 20262990
Oct 14, 20262990
Oct 13, 20262990
Oct 09, 2026299-3
Oct 08, 20263020
Oct 07, 20263020
Oct 06, 20263020
Oct 05, 20263020
Oct 02, 2026302No prior observation